Time-domain flexible matrix quantization for very-low-rate speech coding. - Hirohisa Tasaki; Kunio Nakajima (ICSLP, 1990)

Fully vector quantized arm a analysis combined with glottal model for low bit rate coding. - Katsushi Seza; Hirohisa Tasaki; Shinya Takahashi (ICSLP, 1992)

New excitation codebook search methods to reduce perceptual degradation of CELP. - Tadashi Yamaura; Hirohisa Tasaki; Shinya Takahashi (Syst. Comput. Jpn., 2007)

Digital Monopulse Beamforming for Achieving the CRLB for Angle Accuracy. - Ryuhei Takahashi; Takayuki Inaba; Toru Takahashi 005; Hirohisa Tasaki (IEEE Trans. Aerosp. Electron. Syst., 2018)